GitHub Advisoryadvisory · Go
GHSA-33c5-9fx5-fvjm Privilege Escalation in Kubernetes
MEDIUM
Official page ↗
- Aliases
- CVE-2020-8559
- Ecosystem
- Go
- Packages
- k8s.io/apimachinery, k8s.io/kubernetes
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-601
- Reviewed
- 2024-04-24
Affected packages
• Go k8s.io/apimachinery: < 0.16.13 → fixed in 0.16.13
• Go k8s.io/apimachinery: >= 0.17.0, < 0.17.9 → fixed in 0.17.9
• Go k8s.io/apimachinery: >= 0.18.0, < 0.18.7 → fixed in 0.18.7
• Go k8s.io/kubernetes: < 1.16.13 → fixed in 1.16.13
• Go k8s.io/kubernetes: >= 1.17.0, < 1.17.9 → fixed in 1.17.9
• Go k8s.io/kubernetes: >= 1.18.0, < 1.18.7 → fixed in 1.18.7
Description
The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.7 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.
Related
Alias · CVE (1)
- CVE-2020-8559 The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated… vulnerability
Weakness · CWE (1)
- CWE-601 URL Redirection to Untrusted Site weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-8559 advisory
- https://github.com/kubernetes/kubernetes/issues/92914 web
- https://github.com/kubernetes/kubernetes/pull/92941 web
- https://bugzilla.redhat.com/show_bug.cgi?id=1851422 web
- https://github.com/kubernetes/kubernetes package
- https://github.com/tdwyer/CVE-2020-8559 web
- https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ web
- https://groups.google.com/g/kubernetes-security-announce/c/JAIGG5yNROs web
- https://security.netapp.com/advisory/ntap-20200810-0004 web